Chemistry The percentage of Nitrogen in Air is 85.02 78.03 0.94 0.03 85.02 78.03 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared Ultraviolet Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Sulphur Chlorine Fluorine Nitrogen Sulphur Chlorine Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Oxalic acid Acetic acid Phenol Ethanol Oxalic acid Acetic acid Phenol ANSWER DOWNLOAD EXAMIANS APP
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